Simplify the fraction, if possible.
A. undefined
B. -25
C. 
D. 25
Answer: B
Mathematics
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Write the first four elements of the sequence. sin (n?)
A. 1, 0, -1, 0 B. 0, 0, 0, 0 C. 0, 1, 0, -1 D. 1, 1, 1, 1
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Write the decimal as a percent.0.217
A. 21.7% B. 0.0217% C. 217% D. 0.217%
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Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
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Solve the problem using the normal curve approximation to the binomial distribution.A multiple choice test consists of 60 questions. Each question has 4 possible answers of which one is correct. If all answers are random guesses, estimate the probability of getting at least 20% correct.
A. .1492 B. .3508 C. .0901 D. .8508
Mathematics